Diagnostic Trouble Code Index for January 2005
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Diagnostic Trouble Codes (DTC)
| Count | Trouble Code | Sample Definition | Manufacturers |
| 24 | P0300 | Multiple Cylinder Misfire Detected | Chevrolet, Chrysler, Dodge, Ford, Jeep, Kia, Mazda, Mercedes-Benz, Nissan, Saturn |
| 15 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Ford, Honda, Mazda, Nissan, Toyota, Volvo |
| 10 | P0174 | Fuel System Lean (Bank 2) | Ford, Mazda |
| 10 | P0301 | Cylinder 1 Misfire Detected | BMW, Chrysler, Ford, Jeep, Kia, Saturn |
| 9 | P0302 | Cylinder 2 Misfire Detected | Ford, Hyundai, Jeep, Pontiac, Volkswagen |
| 7 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Chevrolet, Ford, Kia, Mercedes-Benz, Mercury, Nissan |
| 7 | P0172 | Fuel System Rich (Bank 1) | Ford, Mazda, Mercury, Toyota, Volkswagen |
| 7 | P0303 | Cylinder 3 Misfire Detected | Buick, Dodge, Ford, Kia |
| 7 | P0306 | Cylinder 6 Misfire Detected | BMW, Dodge, Ford, Jeep |
| 5 | P0304 | Cylinder 4 Misfire Detected | Dodge, Ford, Lincoln, Mazda, Subaru |
| 5 | P0340 | Camshaft Position Sensor Circuit Malfunction | Ford, Toyota |
| 5 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 4 | P0116 | ECT Sensor Performance | Audi, Honda, Volvo |
| 4 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Audi, Chevrolet, Dodge |
| 4 | P0175 | Fuel System Rich (Bank 2) | Ford, Mercury |
| 4 | P0325 | Knock Sensor Circuit Malfunction | Nissan |
| 4 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Chevrolet, Nissan, Pontiac |
| 4 | P0341 | CMP Sensor Performance | Chevrolet, Dodge, Jeep, Saturn |
| 4 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Ford, Toyota |
| 3 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Ford, Kia, Mercury |
| 3 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | BMW, Mazda |
| 3 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | BMW, Mazda, Nissan |
| 3 | P0205 | Fuel Injector 5 Control Circuit Malfunction | Ford, Mercedes-Benz, Plymouth |
| 3 | P0305 | Cylinder 5 Misfire Detected | Ford, Jeep, Lincoln |
| 3 | P0380 | Glow Plug Feedback Circuit | Mercedes-Benz, Volkswagen |
| 3 | P0400 | EGR System Recirculation Flow | Mercedes-Benz, Nissan |
| 3 | P0401 | Insufficient EGR Flow Detected | Ford, Toyota |
| 3 | P0404 | EGR Open Position Performance | Chevrolet, Chrysler, Saturn |
| 3 | P0411 | Secondary AIR System Incorrect Airflow Detected | Volkswagen |
| 3 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Chrysler, Nissan, Subaru |
| 3 | P0505 | Idle Control System Malfunction | Honda, Infiniti, Nissan |
| 3 | P1131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Lean | Ford, Mercedes-Benz |
| 3 | P1391 | CKP Or CMP Sensor Signal Intermittent | Audi, Dodge |
| 2 | P0102 | MAF Sensor Circuit Low Frequency | Audi, Ford |
| 2 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Chevrolet, Subaru |
| 2 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | Honda, Kia |
| 2 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Ford, Subaru |
| 2 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Ford, Mercury |
| 2 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Mazda, Mercury |
| 2 | P0307 | Cylinder 7 Misfire Detected | Dodge, Mercedes-Benz |
| 2 | P0308 | Cylinder 8 Misfire Detected | Ford |
| 2 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford |
| 2 | P0344 | Camshaft Position Sensor Signal Intermittent | Ford |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Jeep |
| 2 | P0356 | Ignition Coil 6 Control Circuit Malfunction | Dodge, Ford |
| 2 | P0402 | Excessive EGR Flow Detected | Ford |
| 2 | P0410 | Secondary Air System Performance | Oldsmobile, Pontiac |
| 2 | P1121 | TP Sensor Circuit Intermittent High Voltage | Ford, Mercury |
| 2 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Audi |
| 2 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Audi |
| 2 | P1173 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Mazda |
| 2 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet, Ford |
| 2 | P1404 | EGR Valve Closed Position Performance | Chevrolet, Pontiac |
| 2 | P1506 | Idle Air Control System RPM Higher Than Expected | Mazda |
| 2 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet, Saturn |
| 2 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Mazda, Subaru |
| 2 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | C0101 | communication error | Hyundai |
| 1 | P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction | Saturn |
| 1 | P0037 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Low Voltage | Cadillac |
| 1 | P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage | Cadillac |
| 1 | P0050 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Control Circuit Malfunction | Saturn |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Hyundai |
| 1 | P0106 | MAP Sensor Performance | Oldsmobile |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0121 | TP Sensor Performance | Jeep |
| 1 | P0122 | TP Sensor Circuit Low Voltage | Pontiac |
| 1 | P0123 | TP Sensor Circuit High Voltage | Jeep |
| 1 | P0128 | Engine Coolant Temperature Below Thermostat Regulating Temperature | Chevrolet |
| 1 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Saturn |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Chevrolet |
| 1 | P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity | Kia |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Chrysler |
| 1 | P0178 | Fuel Composition Sensor Low Frequency | Chevrolet |
| 1 | P0207 | Fuel Injector 7 Control Circuit Malfunction | Mercedes-Benz |
| 1 | P0215 | Engine Shutoff Solenoid Control Circuit Malfunction | Dodge |
| 1 | P0219 | Engine Overspeed Condition | Dodge |
| 1 | P0252 | Fuel Valve Signal Missing | Dodge |
| 1 | P0309 | Cylinder 9 Misfire Detected | Mercedes-Benz |
| 1 | P0310 | Cylinder 10 Misfire Detected | Mercedes-Benz |
| 1 | P0312 | cylinder 12 miss | Mercedes-Benz |
| 1 | P0320 | No Crank Reference Signal To PCM | Ford |
| 1 | P0339 | Crankshaft Position Sensor Signal Intermittent | Chevrolet |
| 1 | P0342 | CMP Sensor Circuit Low Voltage | Isuzu |
| 1 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Ford |
| 1 | P0406 | EGR Position Sensor Circuit High Voltage | Ford |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Hyundai |
| 1 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Mazda |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0446 | EVAP Vent System Performance | Toyota |
| 1 | P0460 | Fuel Level Sensing Unit No Change Over Miles | Ford |
| 1 | P0481 | Cooling Fan Relay 2 Control Circuit Malfunction | Mazda |
| 1 | P0507 | Idle Speed High | Chevrolet |
| 1 | P0541 | Low Voltage At Intake Air Heater Relay 1 | Ford |
| 1 | P0562 | System Voltage Too Low | Ford |
| 1 | P0600 | Serial Communication Link | Buick |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Ford |
| 1 | P1070 | Secondary Air Injection Switching Valve Circuit / Open | Mazda |
| 1 | P1100 | Starter Switch Circuit Low Input | Subaru |
| 1 | P1101 | Intake Airflow System Performance | Subaru |
| 1 | P1105 | MAP / BARO Switch Solenoid Malfunction | Ford |
| 1 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Ford |
| 1 | P1116 | Engine Coolant Temperature Sensor Performance | Ford |
| 1 | P1120 | TP Sensor 1 Circuit Malfunction | Ford |
| 1 | P1125 | Accelerator Pedal Position System Malfunction | Ford |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Ford |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Volvo |
| 1 | P1170 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit - No Inversion | Mazda |
| 1 | P1174 | Fuel Trim Cylinder Balance | Volvo |
| 1 | P1181 | Fuel Delivery System High | Volvo |
| 1 | P1184 | Engine Oil Temperature Sensor Out Of Self Test Range | Volvo |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1221 | TP Sensor 2 Signal Correlation | Chevrolet |
| 1 | P1238 | Fuel Pump Secondary Circuit Malfunction | Volkswagen |
| 1 | P1239 | Engine Oil Temperature Too Low | Volkswagen |
| 1 | P1240 | Ignition Angle | Volkswagen |
| 1 | P1241 | Fuel Injector 7 Output Circuit Malfunction | Volkswagen |
| 1 | P1242 | Fuel Injector 7 Control Circuit Shorted | Volkswagen |
| 1 | P1247 | Fuel Injector 8 Control Circuit Shorted | Volkswagen |
| 1 | P1255 | CTS short to ground | Volkswagen |
| 1 | P1281 | Engine Is Cold Too Long | Jeep |
| 1 | P1309 | Misfire Detection Monitor | Ford |
| 1 | P1312 | ION Sensing Module Secondary Line 2 Circuit Malfunction | Honda |
| 1 | P1320 | Igniter 5 Circuit Malfunction | Nissan |
| 1 | P1341 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Chevrolet |
| 1 | P1343 | Camshaft Position Sensor 'A' Circuit High Input (Bank 2) | BMW |
| 1 | P1351 | ICM Ignition Control Circuit High Voltage | Lexus |
| 1 | P1369 | ign firing cyl 5 short to earth | Cadillac |
| 1 | P1380 | Misfire Detected, Rough Road Data Not Available | Ford |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Ford |
| 1 | P1383 | Variable Cam Timing Over-Retarded (Cylinder Bank 1) | Ford |
| 1 | P1400 | Cold Start Emission Reduction Control System | Nissan |
| 1 | P1407 | EGR Flow Out Of Self-Test Range | Ford |
| 1 | P1411 | Cylinder 1 Reactivation Control Performance | Toyota |
| 1 | P1413 | Secondary AIR System Monitor Circuit Low Voltage | Ford |
| 1 | P1421 | Cold Start Emission Reduction Strategy Monitoring | BMW |
| 1 | P1423 | Fuel Tank Large Leak | BMW |
| 1 | P1425 | EVAP System Leak Detection Pump Flow High/Low | Audi |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Ford |
| 1 | P1470 | boost pressure solinoid open or shortedto ground | Mercedes-Benz |
| 1 | P1472 | Evap leak detection pump short to ground | Audi |
| 1 | P1491 | EVAP Vacuum Cut Valve/Bypass Circuit Malfunction | Honda |
| 1 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Chrysler |
| 1 | P1504 | Idle Air Control Solenoid Circuit Malfunction | Mazda |
| 1 | P1509 | Idle Speed High - IAC System Not Responding | Chevrolet |
| 1 | P1510 | PCM Backup Power Supply Circuit Malfunction | BMW |
| 1 | P1515 | Control Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1526 | Minimum Throttle Position Not Learned | Mazda |
| 1 | P1537 | Air Conditioning Request Circuit Low Input | Ford |
| 1 | P1538 | Air Conditioning Request Circuit High Input | Ford |
| 1 | P1547 | DOR Tampering Monitor (Rationality Check) | Audi |
| 1 | P1580 | Battery Current Sensor Circuit Malfunction | BMW |
| 1 | P1586 | Cruise Control Brake Switch 2 Circuit Malfunction | Kia |
| 1 | P1596 | Speed Control Switch Continuous High Voltage | Jeep |
| 1 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 1 | P1610 | NATS Initialization Failure | Nissan |
| 1 | P1613 | Secondary Air Injection System Driver | Nissan |
| 1 | P1622 | Key Identification Number Does Not Match In The PCM | BMW |
| 1 | P1628 | Sensor Reference Voltage 2 Circuit Erratic | Mazda |
| 1 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Chevrolet |
| 1 | P1654 | A/C Relay Control Circuit Malfunction | Chevrolet |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Ford |
| 1 | P1676 | EVAP Purge Solenoid Control Circuit Malfunction | Audi |
| 1 | P1685 | Smart Key Immobilizer Module Invalid Key | Jeep |
| 1 | P1688 | Unmanaged Engine Torque Signal Delivered To TCM | Dodge |
| 1 | P1689 | Traction Control Delivered Torque Output Circuit Malfunction | Dodge |
| 1 | P1690 | SMARTA - No Response | Audi |
| 1 | P1693 | Transponder No Response Error / Invalid Response | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Dodge |
| 1 | P1742 | TCC Solenoid Circuit - Failed On | Subaru |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Mazda |
| 1 | U0087 | Chevrolet | |
| 1 | U0089 | Chevrolet | |
| 1 | U1000 | Class 2 Communication Malfunction | Chevrolet |
| 1 | U1024 | Loss Of Communication With Transmission Control Module | Chevrolet |
| 1 | U1800 | Lost Communication With Fuel Injector Control Module | Chevrolet |
